Siemens Drive Fault Code 7902 -

A magnetic contactor between the drive and motor had a pitted auxiliary contact that overheated slightly on the first start of the week, dropping one phase for 50ms. As the day progressed, thermal expansion improved contact – until the next Monday.

No. It is a “Trip” fault, not a “Fatal” fault. Once the cause is fixed, acknowledge via terminal, bus, or operator panel. siemens drive fault code 7902

"Partner?" Marcus asked. "The press only has one main motor." A magnetic contactor between the drive and motor